<template>
  <h1>{{ msg }}</h1>
  <button @click="count++">count is: {{ count }}</button>
  <p>编辑 <code>components/HelloWorld.vue</code> to test hot module replacement.</p>
</template>

<script>
  export default {
    name: 'HelloWorld',
    props: {
      msg: String,
    },
    data() {
      return {
        count: 0,
      }
    },
  }
</script>
